The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #9 Jan 13 2023 09:17:55
%S 1,0,4,2,30,24,280,278,2841,3256,30324,38830,334540
%N Number of n-celled polyzebras with bilateral symmetry.
%C A polyzebra is a (2,3) leaper. A polyzebra need not be connected in the usual edge-connected sense.
%Y Cf. A093877, A093989, A093990, A093992, A030444.
%K nonn,more
%O 1,3
%A _Joseph Myers_, May 25 2004
%E a(12)-a(13) from _John Mason_, Jan 13 2023